var ie=document.all
var ns=document.layers
var ns6=document.getElementById&&!document.all

function enlarge(which,e){
//Render image code for IE 4+ and NS6
if (ie||ns6){
crossobj=document.getElementById? document.getElementById("showimage") : document.all.showimage
if (crossobj.style.visibility=="hidden"){
crossobj.innerHTML='<table border="0"><td background="../images/drag.gif"><div align=right id=drag><b onClick=closepreview() style="cursor:hand">schließen</b></div></td></tr><tr><td colspan="2"><img src="'+which+'"></td></tr></table>'
crossobj.style.visibility="visible"
}
else
crossobj.style.visibility="hidden"
return false
}
//Render image code for NS 4
else if (document.layers){
if (document.showimage.visibility=="hide"){
document.showimage.document.write('<a href="#" onMouseover="drag_dropns(showimage)"><img src="'+which+'" border=0></a>')
document.showimage.document.close()
document.showimage.left=e.x
document.showimage.top=e.y
document.showimage.visibility="show"
}
else
document.showimage.visibility="hide"
return false
}
//if NOT IE 4+ or NS 4, simply display image in full browser window
else
return true
}

function closepreview(){
crossobj.style.visibility="hidden"
}